Alright, let's work through 7860 times 7964 step by step
7860 × 7964 = 7964 × (7860)
+ 7964 × 0 giving us 0
+ 7964 × 60 yielding 477840
+ 7964 × 800 that results in 6371200
+ 7964 × 7000 producing 55748000

= 62597040
